Phone Comparison - Microsoft Lumia 640 Dual SIM vs Nokia Lumia 520

Microsoft Lumia 640 Dual SIM
microsoft lumia 640 dual sim
Nokia Lumia 520
nokia lumia 520
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general General Info

Manufacturer Microsoft Nokia
Announced March 2015 February 2013
Status Available - April 2015 Available - April 2013
Price Rs. 8,999 ($132.34) [Similarly Priced] -
Colors Yes Yellow, red, cyan, white/black
Form Factor Candybar Candybar
Dimension 141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
119.9 x 64 x 9.9 mm
(4.72 x 2.52 x 0.39 in)
Weight 145 g (5.11 oz) 124 g (4.37 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100
HSDPA 850 / 1900 / 2100
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Microsoft Windows Phone 8.1 with Lumia Denim Microsoft Windows Phone 8
Processor Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 [Similar] Dual-core 1 GHz, Qualcomm MSM8227 Snapdragon S4 [Similar]
GPU Adreno 305 [Similar] Adreno 305 [Similar]
RAM 1 GB [Browse Similar] 512 MB [Browse Similar]
Internal Memory 8 GB 8 GB storage
External Memory microSD, up to 128 GB microSD, up to 64 GB

display Display

Type IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display IPS LCD capacitive touchscreen
Colors 16M colors 16M colors
Size 5.0 inches [Similar] 4.0 inches [Similar]
Resolution 720 x 1280 pixels (294 ppi) [Similar] 480 x 800 pixels (233 ppi) [Similar]
Screen-to-Body Ratio 67.43% 59.47%
Multi-Touch yes yes

multimedia Multimedia

3.5mm Jack yes yes
Radio FM radio FM Radio
Games Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes

camera Camera

Rear Camera 8 MP, 3264 x 2448 pixels [Similar] 5 MP, 2592х1944 pixels [Similar]
Flash LED flash No
Features Auto focus, 1/4'' Sensor Size Auto focus, Geo-tagging
Video 1080p@30fps Yes, 720p@30fps
Front Camera 1 MP, 720p [Similar] No [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes
Edge Yes Yes
3G HSPA 42.2/5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth v4.0, A2DP Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 b/g/n
USB microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS support and GLONASS
Browser HTML5 HTML5

memory User Memory

Internal 8 GB, 1 GB RAM 8 GB storage, 512 MB RAM
Expandable Storage microSD, up to 128 GB microSD, up to 64 GB

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC not supported

battery Battery

Type Li-Ion Battery Li-Ion Battery
Capacity 2500 mAh 1430 mAh
Stand by Up to 840 h (2G)
Up to 840 h (3G)
Up to 384 h (3G)
Up to 360 h (3G)
Talk Time Up to 27 h 30 min (2G)
Up to 20 h 30 min (3G)
Up to 17 h 24 min (2G)
Up to 9 h 42 min (3G)